In studies, the vaccine is 66 percent effective at preventing moderate or severe disease.
KDKA's Dr. Maria Simbra has more.
In studies, the vaccine is 66 percent effective at preventing moderate or severe disease.
KDKA's Dr. Maria Simbra has more.
[NFA] Dr. Anthony Fauci, the top U.S. infectious disease official, on Sunday urged Americans to take any of the three approved..
FDA Grants Emergency Use Authorization For Johnson & Johnson's COVID-19 Vaccine